Alright, let's work through 1521 times 9257 step by step
1521 × 9257 = 9257 × (1521)
+ 9257 × 1 what gives us 9257
+ 9257 × 20 what gives us 185140
+ 9257 × 500 that is equal 4628500
+ 9257 × 1000 what gives us 9257000

= 14079897
